550004089 has 2 divisors, whose sum is σ = 550004090. Its totient is φ = 550004088.

The previous prime is 550004057. The next prime is 550004101. The reversal of 550004089 is 980400055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358458489 + 191545600 = 18933^2 + 13840^2 .

It is a cyclic number.

It is not a de Polignac number, because 550004089 - 2⁵ = 550004057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550004089.

It is not a weakly prime, because it can be changed into another prime (550005089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275002044 + 275002045.

It is an arithmetic number, because the mean of its divisors is an integer number (275002045).

Almost surely, 2^550004089 is an apocalyptic number.

It is an amenable number.

550004089 is a deficient number, since it is larger than the sum of its proper divisors (1).

550004089 is an equidigital number, since it uses as much as digits as its factorization.

550004089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 550004089 is about 23452.1659767280. The cubic root of 550004089 is about 819.3233010227.

The spelling of 550004089 in words is "five hundred fifty million, four thousand, eighty-nine".